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Round|Natural|GIA

1.21ct H I1 Round Natural Diamond

EX • H/I1 • GIA 6555464425

Certificate GIA 6555464425

Diamond specifications and retailer prices

From $1,315 USD
₹125,246 INR
As of October 21, 2026
3 retailers carry this diamond
Most expensive: $4,226 USD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6555464425. Listed at 3 retailers as of October 20, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555464425
Dimensions6.80 × 6.84 × 4.22 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
6.80 mm6.84 mm1.21 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555464425
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: $4,226 USD|Low: $1,315 USD|High: $4,277 USD|Avg: $2,230 USD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 22, 2026
Retailer 3$1,315 USD
Retailer 4$1,578 USD
Retailer 5$1,695 USD
Retailer 2$2,352 USD
NZ Jewellers$4,226 USD

19 data points across 5 retailers

3 retailers$1,315 USD to $4,226 USD

Retailer 1
-
$1,315 USD
₹125,246 INR
Price last confirmed 12 days ago
Retailer 2
-
$1,578 USD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
10c1754e-8b0e-4cc6-a273-fb9de52041ef · Oct 20
$4,226 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

1.21ct Round
$1,315 USD